Self & Lining: 100% poly. Dry clean only. Fully lined. Non-slip silicone lined neckline. Sequin embellishments throughout. Hidden back zipper closure. Neckline to hem measures approx 24" in length. XBYR-WD200. XND145 S18. With sexy silhouettes and daring cut-outs, X by NBD is the party girls go-to brand for the perfect dress. With lace overlay details, plunging necklines and sweet scalloped edges, X by NBD gives a modern makeover to cocktail dresses.